Top predators like wolves, bears, lions and tigers have declined dramatically around the world over the past centuryLeave a comment

Top predators like wolves, bears, lions and tigers have declined dramatically around the world over the past century. One major driver of these declines is retaliatory killing by people following predator attacks on domestic livestock. This lethal approach to predator management is increasingly controversial not only because of ethical concerns, but also the role predators can play in healthy ecosystems. A new UC Berkeley study shows that many non-lethal methods of predator control can be highly effective in protecting livestock from predators and in turn, saving predators from people.
A tiger drags a cow at Jennie Miller’s study site in India

The Berkeley study examined 66 published, peer-reviewed research papers that measured how four categories of lethal and non-lethal mitigation techniques — preventive livestock husbandry, predator deterrents, predator removal, and indirect management of land or wild prey…